diff --git a/e2e_test/requirements_dev.txt b/e2e_test/requirements_dev.txt
index 7e4f0ac..66faf78 100644
--- a/e2e_test/requirements_dev.txt
+++ b/e2e_test/requirements_dev.txt
@@ -38,7 +38,7 @@ grpcio==1.18.0
 gunicorn==19.9.0
 html5lib==1.0.1
 httplib2==0.12.1
-idna==2.8
+idna==3.7
 iso8601==0.1.12
 itsdangerous==1.1.0
 Jinja2==2.10